Real Off-Grid Power — Tailored for Queensland Conditions
If you’re building or living off-grid in regional Queensland, your solar system needs to work
hard — and work reliably. Sunshine-rich areas like Toowoomba, Gatton, and the Western
Downs offer excellent solar conditions year-round.
But how much energy can you actually expect from a 6.6 kW stand-alone solar system?
Let’s break it down.
System Overview: 6.6 kW Solar Array
This off-grid setup features:
- 15 × 440W Trina Solar panels
- Total solar capacity: 6.6 kW
These high-efficiency, dual-glass panels are built to withstand Australia’s harsh climates, perfect for sheds, homes, or cabins well off the grid.
Battery Storage: 22.8 kWh Usable (Expandable)
Paired with:
- 5 × Pylontech US5000 lithium batteries
- 25 kWh total storage | 22.8 kWh usable
This battery bank gives you a few days of autonomy for normal use, and it’s expandable to match larger systems or future energy demands.
Daily Energy Output in Rural QLD
In Queensland, you can expect an average of 5.5 peak sun hours per day. Accounting for
typical system losses (~18% due to heat, wiring, and inverter efficiency), your system will
generate:
➡ ~29.7 kWh/day (rounded to 30 kWh)
That’s excellent daily production for:
- A rural home with appliances
- Pumps, irrigation, and small machinery
- Air-conditioning (with smart use)
- Off-grid Wi-Fi, work-from-home setups, and tools.
Your battery bank captures excess energy to be used at night or during cloudy periods.
The system can be configured to minimise generator use — even in winter.
Ideal for Stand-Alone Solar in Queensland
This system is perfect for:
- Off-grid rural homes and eco builds
- Farms, homesteads, and stations
- Remote workshops, sheds, and retreats
- Anyone looking to eliminate power bills
It delivers stable off-grid power, supports automation and remote monitoring, and scales with your lifestyle.
💬 Want to Go Off-Grid?
At Stand Alone Power Systems, we build customised off-grid solar solutions designed for
Queensland conditions — especially in regions where mains power is unavailable or
expensive to connect. Whether you’re near Toowoomba, Roma, or the Darling Downs, we’ll design, install, and support your stand-alone solar system from start to finish.
📞 Get in touch today for a free off-grid energy assessment